Colstrip, Montana
Banks & credit unions in Colstrip
2 federally insured institutions operate a branch in Colstrip, Montana, across 1 locations.
Each institution’s branch count below is for Colstrip only. Select one to see its branches in this town.
| # | Institution | Type | Branches in Colstrip | Total assets |
|---|---|---|---|---|
| 1 | First Interstate Bank | Bank | 1 | $26.36B |
| 2 | Northwestern Energy Employees | Credit union | 1 | $35.3M |
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026